RHS 54530-05HCS Pro Action GM LS3 Rect. Port Aluminum Cylinder Head


Price:
Sale price$790.95
Stock:
In stock

Description

Pro Action™ GM LS3 Rectangle Port Aluminum Cylinder Heads feature:

  • Same architecture as factory head - all stock components will fit without issue
  • Factory correct intake manifold alignment slots avoid power robbing misalignment
  • Manufactured with premium materials and machined to industry's tightest tolerances
  • Premium bronze/managnese valve guies for long wear with particular emphasis placed on holding precision tolerances on valve seat concentricity, allowing valve to seal secruely for more power
  • Clean Cast Technology eliminates casting laws and promotes a smoother internal surface finish for greater air and coolant flow
  • Dual seat spark plug pocket design allows both factory style tapered seat spark plugs and flat seat style pluggs in wider heat ranges
  • .660" Lift springs allow for higher lift cams and increased RPM
  • Designed for any LS3-style street performance application

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